Practice question

What is the purpose of a NEMA TS2 'Port 1' communication interface?

  1. To connect the controller to a laptop for local programming
  2. To provide the standardized serial communication port for connection to the central traffic management system
  3. To connect the controller to the conflict monitor
  4. To interface with vehicle detection equipment

Answer: B — To provide the standardized serial communication port for connection to the central traffic management system

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